adding software raid to an already running machine

ive setup raid more than once before on a new machine, but never added it to a linux box that has live data

currently it has 2 live disks, and 2 identical spares. (2x 120gig, 2x 80gig). The plan is to setup mirroring on both disks, including the root partition and boot loader, and i'd like to do it live and remotely. I'm using debian testing/unstable

ive done it on solaris, but never on linux so i know the process/theory, but not the ins and outs with things like grub

can anyone point me in the direction of a decent doc for this, or give me any pointers from past experience?

 

 

 

 

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